Consider a Situation in Which Chris Predicts That an Impending

question 42

Multiple Choice

Consider a situation in which Chris predicts that an impending drainage connection will alter the number of fish in a set of six small lakes. She uses a large net (a seine) and counts the number of fish and obtains the values shown. What is the t-test statistic for a paired t-test of the difference in the mean values?
?
Number of fish caught in six seines before and after drainage connection.

$\begin{array}{lll}\underline {\text {Vial } }&\underline {\text { Before } }&\underline {\text { After } }\\1 & 24 & 20 \\2 & 35 & 31 \\3 & 64 & 59 \\4 & 51 & 52 \\5 & 25 & 22 \\6 & 48 & 39\end{array}$

• A) -2.04
• B) -2.54
• C) -3.04
• D) -3.54

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Definitions:

IUPAC Name

The systematic method of naming chemical compounds as prescribed by the International Union of Pure and Applied Chemistry.

Alkene

An unsaturated hydrocarbon containing at least one carbon-carbon double bond.

Carbon-Carbon Double Bond

A chemical bond between two carbon atoms involving four bonding electrons instead of the usual two, creating a region of high electron density.

Geometry

The branch of mathematics concerned with the properties, measurement, and relationships of points, lines, angles, surfaces, and solids.